441021311224013 has 4 divisors (see below), whose sum is σ = 474946027472028. Its totient is φ = 407096594976000.

The previous prime is 441021311223923. The next prime is 441021311224063. The reversal of 441021311224013 is 310422113120144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224983140315844 + 216038170908169 = 14999438^2 + 14698237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441021311224013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441021311224063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16962358123988 + ... + 16962358124013.

It is an arithmetic number, because the mean of its divisors is an integer number (118736506868007).

Almost surely, 2^{441021311224013} is an apocalyptic number.

It is an amenable number.

441021311224013 is a deficient number, since it is larger than the sum of its proper divisors (33924716248015).

441021311224013 is a wasteful number, since it uses less digits than its factorization.

441021311224013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33924716248014.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 441021311224013 its reverse (310422113120144), we get a palindrome (751443424344157).

The spelling of 441021311224013 in words is "four hundred forty-one trillion, twenty-one billion, three hundred eleven million, two hundred twenty-four thousand, thirteen".